Panch Karma means five purification procedures namely Vamana, Viréchana, Vasti, Nasya, & Raktmokshana.
It is a sort of Bio-purification process, also known as Shodhana therapy in Ayurveda, by the administration of which an attempt is made to purify or cleanse all the body tissues (Sroto-Sodhana) and to bring the harmony of Tridosha.
In a broader aspect, we can say it is a body detoxification procedure or technique. which cleans the body at the cellular level.